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  // alert("阿比真的很可爱")
  // document.write("童谣也可爱")
  // console.log("艾蕾也可爱")
  //   var a=true;
  // alert(typeof(a+1));
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  // Array =1,2,3;
  for (let i = 0; i <= 5; i++) {
    alert(i);
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